China (Mainland) 
description of ptbp
a. chinese and english names
english name: para-tert-butyl-phenol
abbreviation: ptbp
english name: para-tert-butyl-phenol
abbreviation: ptbp
b. molecular formula
molecular formula:c10h14o
molecular weight:150.22
molecular weight:150.22
c. related code:
un code: 2430
ca register no. : 98 -54-4
hs code: 2907199090
d. chemical composition
| item | index | |
| superior product | qualified product | |
| appearance | white flake solid | |
| mass fraction of para-tert-butyl phenol,% ≥ | 99 | 97.5 |
| freezing point,℃ ≥ | 97 | 96 |
| moisture,% ≤ | 0.1 | |
e. product use
this product is used as stabilizer of polycarbonate resins, tert-butyl phenolic resin, epoxy resin modification, xylene resin modification and pvc, as well as uv absorber, pesticides, rubber, paint, other anti-cracking additives, antioxidant, dispersant, lubricant, detergent, combustion improver of lubricating oil, stabilizer of styrene, dye and paint additive, industrial insect repellant, etc.
f. production method: phenol and isobutene alkylation
g. physical and chemical properties:
under standard state, it is while flaky crystals, insoluble in water, slightly soluble in alkali, soluble in ethanol, methanol, acetone, benzene and carbon tetrachloride, can conduct hydrogenation reaction, have a slight phenol odor, toxic.
relative density (114 ° c, molten state): 0.908;
boiling point: 239.8 º c;
flash point: 97 º c;
ignition point: approximate 355 º c;
viscosity (cp100 º c): 3.00.
under standard state, it is while flaky crystals, insoluble in water, slightly soluble in alkali, soluble in ethanol, methanol, acetone, benzene and carbon tetrachloride, can conduct hydrogenation reaction, have a slight phenol odor, toxic.
relative density (114 ° c, molten state): 0.908;
boiling point: 239.8 º c;
flash point: 97 º c;
ignition point: approximate 355 º c;
viscosity (cp100 º c): 3.00.
h. storage conditions:
it should be kept away from sun and rain during transportation; the means of transport should be clean and dry; it should be put in a dark and dry warehouse with suitable temperature and cannot be put beside water pipes or heating equipment, so as to prevent it from deterioration because of moisture or heat.
i. toxicity and protection:
this product belongs to chemical toxic chemicals and can irritate eyes, skin and mucosa. skin contact can cause dermatitis or ambustion; in case of inhalation, contact with nose or eyes or eating, he should be sent to the hospital for treatment timely. this product is toxic; can burn if meeting open fire; releases toxic gases when decomposition because of heat; and has special pungent odor. protective gears, rubber gloves and other labour protection supplies must be wore during operation. attentions should be paid to keeping it far away from open flame and poisoning.
j. packaging specifications:
lined with polyethylene film and coated with lucifugal paper bags, net weight 25kg/bag.